{"id":3654041,"url":"https://alion.io/job/palantir-technologies-software-engineer-applied-ai-defense-applications","title":"Software Engineer - Applied AI, Defense Applications","company":{"id":24,"name":"Palantir Technologies","domain":"palantir.com","url":"https://alion.io/company/palantir","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"C","score":67,"open_postings":232,"ghost_share":0.47,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":166,"computed_at":"2026-11-03T05:54:40Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Washington, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"C++","optional":false},{"name":"Fine-tuning","optional":false},{"name":"JavaScript","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-11-02T22:21:06Z","employer_posted_date":"2026-11-02","last_verified_at":"2026-11-03T14:31:43Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":0},"description":"The Role\nPalantir's Defense Applied AI product team builds products that help the modern warfighter leverage AI for their most mission-critical work. You will help own the entire end to end Agent experience in our products and work relentlessly to ensure they deliver value for our users, while maintaining a high bar for quality.\nYour day-to-day workflow will vary, adapting to the requirements of our users and the technical challenges that arise. One day, you may find yourself collaborating with users to refine the UX of a particular workflow, the next you could be fine-tuning performance to enable low-latency or more accurate operational outcomes.\nOur Product Development organization is made up of small teams of Software Engineers. Each team focuses on a specific aspect of a product and work collaboratively to build cross functional capabilities, streamline user workflows and continuously improve our software's efficiency and reliability.\nWe’re hiring engineers who are passionate about solving real-world problems and empowering both developers and end-users to work optimally. If you’re motivated to develop reliable, performant, and scalable AI products, this role offers the opportunity to make a significant impact on our products and the people who use them.\nCore Responsibilities\nDesign and build AI agents that help defense and intelligence users investigate complex questions, analyze operational data, develop plans, and produce actionable work\nRelentlessly focus on improving agent experience through data-driven evals across memory, tool and skill design, context management, fine-tuning, and more\nActively improve user workflows by collaborating with cross-functional teams, ensuring seamless experiences across product boundaries and a cohesive user experience\nBuild intuitive interfaces that let users direct agents, follow their progress, inspect supporting evidence, review proposed actions, and refine the resulting work\nOwn features from early experimentation through production deployment, working with users, designers, and engineers to turn specific mission needs into reliable, reusable product capabilities\nOptimizing applications for speed and scalability through performance analysis and with high-scale, complex data\nWhat We Value\nStrong product instincts and attention to the details that make complex software intuitive and useful\nAbility to communicate and collaborate with a variety of individuals, including engineers, users and non-technical team members\nExperience building applications with LLMs, including tool design, context management, agent workflows, or evaluation\nWillingness to learn and make decisions independently, the ability to ask questions effectively, and the skills to iterate directly with users and own core outcomes\nCuriosity about emerging AI capabilities and sound judgment about where they can solve real user problems\nWhat We Require\nExperience coding in programming languages, such as Java, C++, Python, JavaScript, or similar languages\nStrong software engineering skills and experience delivering production applications\nStrong proficiency in React and Typescript\nEngineering background in Computer Science, Mathematics, Software Engineering, Physics or similar field\nStrong written and verbal communication skills and ability to iterate quickly with teammates, incorporating feedback and holding a high bar for quality\nActive US Security clearance or eligibility and willingness to obtain a US Security clearance","description_format":"text","description_chars":3488,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Data Integration & ETL Tools","Decision Intelligence","Defense 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